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Finding the Fourth Proportional to 238.99, 329.97 and 183.63

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Solution

The fourth proportional to 238.99, 329.97 and 183.63 is: 253.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.99 : 329.97 = 183.63 : x
  2. Step 2: Convert to fraction form
    238.99/329.97 = 183.63/x
  3. Step 3: Cross multiply
    238.99x = 329.97 × 183.63
  4. Step 4: Simplify right side
    238.99x = 60,592.39
  5. Step 5: Solve for x
    x = 60,592.39/238.99
  6. Step 6: Final answer
    x = 253.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.